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<?php
/**
* This file is part of Railt package.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Railt\SDL\Frontend\AST\Value;
use Railt\Parser\Ast\Rule;
* Class AbstractValue
abstract class AbstractAstValueNode extends Rule implements AstValueInterface
{
* @var mixed
private $value;
* @return mixed
abstract protected function parse();
public function toPrimitive()
if ($this->value === null) {
$this->value = $this->parse();
}
return $this->value;
railt /
sdl
